Technical Tip: Cannot uninstall Windows Persistent...

FortiNAC

NOTE: FortiNAC is now named FortiNAC-F. For post-9.4 articles, see FortiNAC-F. FortiNAC is a zero-trust network access solution that provides users with enhanced visibility into the Internet of Things (IoT) devices on their enterprise networks.

Article Id 215742

Description

This article describes the steps to locate the GUID of the installed Windows Persistent Agent product and how to remove the InstallSource when the InstallSource is no longer accessible and the agent cannot be uninstalled using the installer file.
The agent installation routine may display the following error:

'The older version of FortiNAC Persistent Agent cannot be removed. Contact your technical support group.'

Errors relating to the 'portsecagent.msi' path may also occur.

Scope

FortiNAC Persistent Agent all versions.

Solution

Find the agent GUID in Registry.

Computer\HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Bradford Networks\Client Security Agent

The uninstallation should show a GUID alphanumeric string with hyphens.

Locate the Uninstall location by using the GUID.

Computer\HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\

Remove the InstallSource key.
Proceed to install normally.

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Technical Tip: Cannot uninstall Windows Persistent Agent when Installer Location is no longer accessible